sendtest.java

本压缩文件中含有线程的控制

package net;

import java.io.IOException;
import java.net.*;

public class SendTest {
	
	public static void main(String[] args){
		try {
			DatagramSocket ds = new DatagramSocket();
			String str = "hello, this is zhangsan";
			DatagramPacket dp = new DatagramPacket(str.getBytes(),0,str.length(),
					InetAddress.getByName("localhost"),6000);
			ds.send(dp);
			
			byte[] buf = new byte[255];
			DatagramPacket dpRecv = new DatagramPacket(buf,255);
			ds.receive(dpRecv);
			
			System.out.println(new String(buf,0,dpRecv.getLength()));
			ds.close();
		} catch (SocketException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (UnknownHostException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}